Language Whistling: a Comparison between Silbo and Solresol / Lingva fajfado: komparo inter Silbo kaj Solresol. InKoj [Internet]. 2011 Feb. 8 [cited 2026 Jul. 27];2(1):61-7. Available from: https://test-ojs-unimi-it.archicoop.it/index.php/inkoj/article/view/840